package hhm.javamode.composite.duck;

/**
 * Created by Administrator on 2017/1/23.
 */
public abstract   class AbstractDuckFactory {


   abstract public Quackable createMallardDuck();

    abstract public Quackable createRedheadDuck();
    abstract public Quackable createDuackcall();
    abstract public Quackable createRubberDuck();

}
